Windows Azure vs Amazon EC2 (and Google Storage)

Compute Instance Sizes:

Developers have the ability to choose the size of VMs to run their application based on the applications resource requirements. Windows Azure compute instances come in four unique sizes to enable complex applications and workloads.

Compute Instance Size

CPU

Memory

Instance Storage

I/O Performance

Small

1.6 GHz

1.75 GB

225 GB

Moderate

Medium

2 x 1.6 GHz

3.5 GB

490 GB

High

Large

4 x 1.6 GHz

7 GB

1,000 GB

High

Extra large

8 x 1.6 GHz

14 GB

2,040 GB

High

Standard Rates:

Windows Azure

Compute

Small instance (default): $0.12 per hour

Medium instance: $0.24 per hour

Large instance: $0.48 per hour

Extra large instance: $0.96 per hour

Storage

$0.15 per GB stored per month

$0.01 per 10,000 storage transactions

Content Delivery Network (CDN)

$0.15 per GB for data transfers from European and North American locations*

Micro Instances

Instances of this family provide a small amount of consistent CPU resources and allow you to burst CPUcapacity when additional cycles are available. They are well suited for lower throughput applications and web sites that consume significant compute cycles periodically.

Cluster Compute Instances

Instances of this family provide proportionally high CPU resources with increased network performance and are well suited for High Performance Compute (HPC) applications and other demanding network-bound applications. Learn more about use of this instance type for HPC applications.

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